Statements (14)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:satellite
|
gptkbp:bfsLayer |
5
|
gptkbp:bfsParent |
gptkb:Gamma-ray_Observatory
gptkb:Compton_Gamma_Ray_Observatory |
gptkbp:data_type |
gamma rays
|
gptkbp:elevation |
550 km
|
https://www.w3.org/2000/01/rdf-schema#label |
EGRET
|
gptkbp:instrument |
gptkb:observatory
|
gptkbp:launch_vehicle |
gptkb:spacecraft
|
gptkbp:launched |
gptkb:NASA
|
gptkbp:mission |
gamma-ray astronomy
|
gptkbp:objective |
study cosmic gamma rays.
|
gptkbp:operational_area |
1991-2000
|
gptkbp:successor |
gptkb:GLAST
|